Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-03-30
2008-08-12
Bugg, George A (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S815400, C340S539120, C340S691600
Reexamination Certificate
active
07411516
ABSTRACT:
A warning system for displaying a warning that a device unit is in use includes a sign unit configured to display warning information. A device unit includes a communication module configured to provide a wireless communication between the device unit and the sign unit such that when the device unit is activated, the communication module automatically transmits a wireless warning signal to the sign unit instructing the sign unit to display the warning information.
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Edwards Ben E.
Guenther Robert D.
Jones David Brandon
Peters Amanda E.
Swagart Russell G.
Blout Eric M
Bugg George A
Myers Bigel & Sibley & Sajovec
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